- Novel compound and an organic light emitting device comprising (by machine translation)
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The invention relates to a novel compound and comprising an organic light emitting device. (by machine translation)
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Paragraph 0108; 0109; 0112-0114
(2018/05/07)
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- 9,9-diphenyl fluorene derivative and preparation method and application thereof
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The invention relates to the technical field of organic photoelectric materials and provides a 9,9-diphenyl fluorene derivative and a preparation method and application thereof. By optimization of molecular structural design, the 9,9-diphenyl fluorene derivative is high in light extraction efficiency and hole transporting performance, can be used for preparation of light extraction layers and hole transporting layers of organic electroluminescence devices, and is effective in improvement of light emitting efficiency of OLED (organic light emitting diode) devices to realize superiority to existing normal OLED devices when serving as a light extraction material in the organic electroluminescence devices. The preparation method of the 9,9-diphenyl fluorene derivative is simple, and raw materials are easy to acquire.
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Paragraph 0059; 0062; 0065
(2017/08/29)
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- LUMINESCENT COMPOUNDS AND ELECTROLUMINESCENT DEVICE USING THE SAME
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The present invention relates to organic electroluminescent compounds and organic electroluminescent devices employing the same. More specifically, the invention relates to organic electroluminescent compounds containing an anthracenyl group or an aryl group having an anthracenyl substituent m the aryl ring of fluorene or indenofluorene, as a blue electroluminescent material in an organic electroluminescent layer. The electroluminescent compounds according to the invention exhibit high luminous efficiency and excellent life property, so that an OLED device having very good operation lifetime can be prepared therefrom.
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